Over ten thousand people were posted on both sides of the highway to fire signal shots to warn of approaching enemy planes.On hearing these signals, our drivers would dodge or find places in which to hide their trucks.

• 在汽车路两旁用一万多人站岗，飞机来了就打信号枪，司机听到就躲着走，或者找个地方把汽车藏起来。